Includes 3 adjustables heads with dual axis rotation, 2 supports, 1 power feed support, 4 feet hand-bendable rail. The track system can be modified by adding accessories as well as other tracks. Head: 5.75" length x 2.25 square. LED GU10 bulb compatible. Finish: Satin Nickel and clear glass. Ask a sale representative for accessories and additional tracks, SOLD SEPARATELY.